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   1  <?xml version="1.0" encoding="UTF-8" ?>
   2  <!--
   3      This is an XML Schema description of the format
   4      output by MediaWiki's Special:Export system.
   5  
   6      Version 0.2 adds optional basic file upload info support,
   7      which is used by our OAI export/import submodule.
   8  
   9      Version 0.3 adds some site configuration information such
  10      as a list of defined namespaces.
  11  
  12      Version 0.4 adds per-revision delete flags, log exports,
  13      discussion threading data, a per-page redirect flag, and
  14      per-namespace capitalization.
  15  
  16      Version 0.5 adds byte count per revision.
  17  
  18      The canonical URL to the schema document is:
  19      http://www.mediawiki.org/xml/export-0.5.xsd
  20  
  21      Use the namespace:
  22      http://www.mediawiki.org/xml/export-0.5/
  23  -->
  24  <schema xmlns="http://www.w3.org/2001/XMLSchema"
  25          xmlns:mw="http://www.mediawiki.org/xml/export-0.5/"
  26          targetNamespace="http://www.mediawiki.org/xml/export-0.5/"
  27          elementFormDefault="qualified">
  28  
  29      <annotation>
  30          <documentation xml:lang="en">
  31              MediaWiki's page export format
  32          </documentation>
  33      </annotation>
  34  
  35      <!-- Need this to reference xml:lang -->
  36      <import namespace="http://www.w3.org/XML/1998/namespace"
  37              schemaLocation="http://www.w3.org/2001/xml.xsd"/>
  38  
  39      <!-- Our root element -->
  40      <element name="mediawiki" type="mw:MediaWikiType"/>
  41  
  42      <complexType name="MediaWikiType">
  43          <sequence>
  44              <element name="siteinfo" type="mw:SiteInfoType"
  45                       minOccurs="0" maxOccurs="1"/>
  46              <element name="page" type="mw:PageType"
  47                       minOccurs="0" maxOccurs="unbounded"/>
  48          </sequence>
  49          <attribute name="version" type="string" use="required"/>
  50          <attribute ref="xml:lang" use="required"/>
  51      </complexType>
  52  
  53      <complexType name="SiteInfoType">
  54          <sequence>
  55              <element name="sitename" type="string" minOccurs="0" />
  56              <element name="base" type="anyURI" minOccurs="0" />
  57              <element name="generator" type="string" minOccurs="0" />
  58              <element name="case" type="mw:CaseType" minOccurs="0" />
  59              <element name="namespaces" type="mw:NamespacesType" minOccurs="0" />
  60          </sequence>
  61      </complexType>
  62  
  63      <simpleType name="CaseType">
  64          <restriction base="NMTOKEN">
  65              <!-- Cannot have two titles differing only by case of first letter. -->
  66              <!-- Default behavior through 1.5, $wgCapitalLinks = true -->
  67              <enumeration value="first-letter" />
  68  
  69              <!-- Complete title is case-sensitive -->
  70              <!-- Behavior when $wgCapitalLinks = false -->
  71              <enumeration value="case-sensitive" />
  72  
  73              <!-- Cannot have non-case senstitive titles eg [[FOO]] == [[Foo]] -->
  74              <!-- Not yet implemented as of MediaWiki 1.18 -->
  75              <enumeration value="case-insensitive" />
  76          </restriction>
  77      </simpleType>
  78  
  79      <simpleType name="DeletedFlagType">
  80          <restriction base="NMTOKEN">
  81              <enumeration value="deleted"/>
  82          </restriction>
  83      </simpleType>
  84  
  85      <complexType name="NamespacesType">
  86          <sequence>
  87              <element name="namespace" type="mw:NamespaceType"
  88                       minOccurs="0" maxOccurs="unbounded" />
  89          </sequence>
  90      </complexType>
  91  
  92      <complexType name="NamespaceType">
  93          <simpleContent>
  94              <extension base="string">
  95                  <attribute name="key" type="integer" />
  96                  <attribute name="case" type="mw:CaseType" />
  97              </extension>
  98          </simpleContent>
  99      </complexType>
 100  
 101      <complexType name="PageType">
 102          <sequence>
 103              <!-- Title in text form. (Using spaces, not underscores; with namespace ) -->
 104              <element name="title" type="string"/>
 105  
 106              <!-- optional page ID number -->
 107              <element name="id" type="positiveInteger" minOccurs="0"/>
 108  
 109              <!-- flag if the current revision is a redirect -->
 110              <element name="redirect" minOccurs="0"/>
 111  
 112              <!-- comma-separated list of string tokens, if present -->
 113              <element name="restrictions" type="string" minOccurs="0"/>
 114  
 115              <!-- Zero or more sets of revision or upload data -->
 116              <choice minOccurs="0" maxOccurs="unbounded">
 117                  <element name="revision" type="mw:RevisionType" />
 118                  <element name="upload" type="mw:UploadType" />
 119                  <element name="logitem" type="mw:LogItemType" />
 120              </choice>
 121  
 122              <!-- Zero or One sets of discussion threading data -->
 123              <element name="discussionthreadinginfo" minOccurs="0" maxOccurs="1" type="mw:DiscussionThreadingInfo" />
 124          </sequence>
 125      </complexType>
 126  
 127      <complexType name="RevisionType">
 128          <sequence>
 129              <element name="id" type="positiveInteger" minOccurs="0"/>
 130              <element name="timestamp" type="dateTime"/>
 131              <element name="contributor" type="mw:ContributorType"/>
 132              <element name="minor" minOccurs="0" />
 133              <element name="comment" type="mw:CommentType" minOccurs="0"/>
 134              <element name="text" type="mw:TextType" />
 135          </sequence>
 136      </complexType>
 137  
 138      <complexType name="LogItemType">
 139          <sequence>
 140              <element name="id" type="positiveInteger" minOccurs="0"/>
 141              <element name="timestamp" type="dateTime"/>
 142              <element name="contributor" type="mw:ContributorType"/>
 143              <element name="comment" type="mw:CommentType" minOccurs="0"/>
 144              <element name="type" type="string" />
 145              <element name="action" type="string" />
 146              <element name="text" type="mw:TextType" />
 147          </sequence>
 148      </complexType>
 149  
 150      <complexType name="CommentType">
 151          <simpleContent>
 152              <extension base="string">
 153                  <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 154                  <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 155              </extension>
 156          </simpleContent>
 157      </complexType>
 158  
 159  
 160      <complexType name="TextType">
 161          <simpleContent>
 162              <extension base="string">
 163                  <attribute ref="xml:space" use="optional" default="preserve" />
 164                  <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 165                  <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 166                  <!-- This isn't a good idea; we should be using "ID" instead of "NMTOKEN" -->
 167                  <!-- However, "NMTOKEN" is strictest definition that is both compatible with existing -->
 168                  <!-- usage ([0-9]+) and with the "ID" type. -->
 169                  <attribute name="id" type="NMTOKEN"/>
 170                  <attribute name="bytes" use="optional" type="nonNegativeInteger"/>
 171              </extension>
 172          </simpleContent>
 173      </complexType>
 174  
 175      <complexType name="ContributorType">
 176          <sequence>
 177              <element name="username" type="string" minOccurs="0"/>
 178              <element name="id" type="positiveInteger" minOccurs="0" />
 179  
 180              <element name="ip" type="string" minOccurs="0"/>
 181          </sequence>
 182          <!-- This allows deleted=deleted on non-empty elements, but XSD is not omnipotent -->
 183          <attribute name="deleted" use="optional" type="mw:DeletedFlagType"/>
 184      </complexType>
 185  
 186      <complexType name="UploadType">
 187          <sequence>
 188              <!-- Revision-style data... -->
 189              <element name="timestamp" type="dateTime"/>
 190              <element name="contributor" type="mw:ContributorType"/>
 191              <element name="comment" type="string" minOccurs="0"/>
 192  
 193              <!-- Filename. (Using underscores, not spaces. No 'Image:' namespace marker.) -->
 194              <element name="filename" type="string"/>
 195  
 196              <!-- URI at which this resource can be obtained -->
 197              <element name="src" type="anyURI"/>
 198  
 199              <element name="size" type="positiveInteger" />
 200  
 201              <!-- TODO: add other metadata fields -->
 202          </sequence>
 203      </complexType>
 204  
 205      <!-- Discussion threading data for LiquidThreads -->
 206      <complexType name="DiscussionThreadingInfo">
 207          <sequence>
 208              <element name="ThreadSubject" type="string" />
 209              <element name="ThreadParent" type="positiveInteger" />
 210              <element name="ThreadAncestor" type="positiveInteger" />
 211              <element name="ThreadPage" type="string" />
 212              <element name="ThreadID" type="positiveInteger" />
 213              <element name="ThreadAuthor" type="string" />
 214              <element name="ThreadEditStatus" type="string" />
 215              <element name="ThreadType" type="string" />
 216          </sequence>
 217      </complexType>
 218  
 219  </schema>